diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index a6aa614..fd0f4a8 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -7,11 +7,11 @@ permissions:
   contents: read
 
 env:
-  VT_ENV: staging
+  VT_ENV: preview
   VT_ACCOUNT: 652d77895674c387e105948c  # Dengen Labs
   VT_PROJECT: 654df9de09676ad3b8631dc3  # Experiments
-  VT_PROFILE: staging-experiments # note: this should match the field ".vertesia.profile" in the agent's "package.json" file.
-  VT_CLI_VERSION: 0.50.1
+  VT_PROFILE: preview-experiments # note: this should match the field ".vertesia.profile" in the agent's "package.json" file.
+  VT_CLI_VERSION: 0.79.3
 
 jobs:
   test:
diff --git a/apps/github-agent/src/workflows/review-pull-request.ts b/apps/github-agent/src/workflows/review-pull-request.ts
index 1c3a4b1..deaa210 100644
--- a/apps/github-agent/src/workflows/review-pull-request.ts
+++ b/apps/github-agent/src/workflows/review-pull-request.ts
@@ -145,13 +145,13 @@ function shouldSkipAssistance({ userLogin, org, repo, baseRef, headRef }:
             reason: 'Assistance is disabled for this user.',
         };
     }
-    if (baseRef === 'preview') {
+    if (baseRef === 'preview' && headRef === 'main') {
         // We don't support code review for the preview branch because it has too many changes.
         // Also, the commits have been reviewed.
         log.info(`Skip the pull request for branch: ${baseRef}`);
         return {
             status: 'skipped',
-            reason: 'Assistance is disabled for the preview branch.',
+            reason: 'Assistance is disabled for sync PR from main to preview branch.',
         };
     }
     if (headRef.startsWith('renovate/')) {